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Estrogen plays a key role in the regulation of gene transcription. This is accomplished by its ability to act as a ligand and to bind to specific…
DiethylstilbestrolEstrogenHuman DevelopmentRobert William Briggs was a prolific developmental biologist. However, he is most identified with the first successful cloning of a frog by nuclear…
PeopleNuclear Transfer TechniquesNuclear TransplantationBiographyThe Public Broadcasting Station (PBS) documentary Life's Greatest Miracle (abbreviated Miracle, available at http://www.pbs.org/wgbh/nova/miracle/…
LiteratureHuman DevelopmentReproductionMoviesFetal surgeries are a range of medical interventions performed in utero on the developing fetus of a pregnant woman to treat a number of congenital…
Fetus--SurgeryFetoscopyUltrasonics in obstetricsPregnancyEndoscopyAmeisen: Die heimliche Weltmacht (Ants: Nature’s Secret Power) is a nature documentary about ants. Wolfgang Thaler wrote, filmed, and directed the…
LiteratureAntsReproductionAnimal behaviorDocumentary-style filmsCystic fibrosis (CF) is a fatal, inherited disease found in humans and characterized by buildup of thick, sticky mucus, particularly in the…
Cystic FibrosisGeneticsDiseasesAmong other functions, the Notch signaling pathway contributes to the development of somites in animals. It involves a cell signaling mechanism with…
Notch genesNotch ProteinsReceptors, NotchNotch ReceptorsKeith Henry Stockman Campbell studied embryo growth and cell differentiation during the twentieth and twenty-first centuries in the UK. In 1995,…
Campbell, Keith, 1954-2012Wilmut, IanCloningStem CellsFibroblastsBetween 1934 and 1945, George Beadle developed a hypothesis that each gene within the chromosomes of organisms each produced one enzyme.
CellsGeneticsEnzymesGenesAmino AcidsLeonard Hayflick studied the processes by which cells age during the twentieth and twenty-first centuries in the United States. In 1961 at the Wistar…
PeopleCellsCell populationsCell DeathApoptosis